Words That Rhyme With "Whosoever" :
2 syllables:
aver, beaver, bever, blether, braver, caver, Cheever, claver, cleaver, clever, clover, cover, craver, deaver, deford, deforge, Denver, diver, doover, Dover, dredger, driver, drover, edger, effort, elver, ever, favor, favour, feather, fever, fiver, flavor, flavour, flivver, giver, glover, graver, griever, groover, Grover, haver, heather, heaver, heavier, hedger, heifer, hoover, hover, Jeffers, laver, Leasure, leather, leathern, leaver, ledger, Leger, lever, levier, liver, livre, louvar, louver, lover, measure, mesarch, mover, nether, never, niver, over, paver, pleasure, pledger, plover, quaver, quiver, raver, reaver, Reever, river, rover, saver, savor, savour, scriver, sever, Severn, shaver, shelver, shiver, shover, Shriver, siever, skiver, slaver, sliver, staver, steever, stiver, stover, striver, stuiver, tether, treasure, Trevor, Twelver, waiver, waver, weather, weaver, weever, wether, whether, zephyr
3 syllables:
achiever, admeasure, approver, aquiver, arriver, aweather, believer, birdfeather, cadaver, commeasure, conceiver, contriver, deceiver, decemvir, deliver, discover, disfavor, disfavour, displeasure, disprover, dissever, downriver, endeavor, endeavour, engraver, entreasure, forever, forgiver, Hannover, however, improver, landrover, longsleever, maneuver, manoeuvre, mismeasure, moreover, outmeasure, palaver, perceiver, receiver, recover, reliever, remeasure, remover, reprover, retriever, reviver, revivor, septemvir, soever, survivor, together, transceiver, uncover, unfeather, unpleasure, upriver, Vancouver, wearever, whatever, whenever, wherever, whichever, whoever, whomever
4 syllables:
altogether, clishmaclaver, Eliezer, howsoever, misbeliever, nonbeliever, outmaneuver, redeliver, rediscover, semidesert, unbeliever, undercover, whatsoever, whencesoever, whensoever, wheresoever, whichsoever, whomsoever, whosesoever